sexual activity vs fancy woman

sexual activity and fancy woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
sexual activity	Yes	No	No	No
fancy woman	Yes	No	No	No

sexual activity (noun)	fancy woman (noun)
activities associated with sexual intercourse	an adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man
	a woman who engages in sexual intercourse for money